1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
// Copyright (C) 2002 Neil Stevens <neil@qualityassistant.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// THE AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
// AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Except as contained in this notice, the name(s) of the author(s) shall not be
// used in advertising or otherwise to promote the sale, use or other dealings
// in this Software without prior written authorization from the author(s).
#ifndef KMEDIAPLAYERPLAYER_H
#define KMEDIAPLAYERPLAYER_H
#include <kparts/part.h>
#include <kmediaplayer/playerdcopobject.h>
#include <kmediaplayer/view.h>
/** KMediaPlayer contains an interface to reusable media player components.
*/
namespace KMediaPlayer
{
/** Player is the center of the KMediaPlayer interface. It provides all of
* the necessary media player operations, and optionally provides the GUI to
* control them.
*
* There are two servicetypes for Player: KMediaPlayer/Player and
* KMediaPlayer/Engine. KMediaPlayer/Player provides a widget (accessable
* through view as well as XML GUI KActions. KMediaPlayer/Engine omits
* the user interface facets, for those who wish to provide their own
* interface.
*/
class KDE_EXPORT Player : public KParts::ReadOnlyPart, public PlayerDCOPObject
{
Q_OBJECT
public:
/** This constructor is what to use when no GUI is required, as in the
* case of a KMediaPlayer/Engine.
*/
Player(QObject *parent, const char *name);
/** This constructor is what to use when a GUI is required, as in the
* case of a KMediaPlayer/Player.
*/
Player(QWidget *parentWidget, const char *widgetName, QObject *parent, const char *name);
virtual ~Player(void);
/** A convenience function returning a pointer to the View for this
* Player, or 0 if this Player has no GUI.
*/
virtual View *view(void) = 0;
public slots:
/** Pause playback of the media track.*/
virtual void pause(void) = 0;
/** Begin playing the media track.*/
virtual void play(void) = 0;
/** Stop playback of the media track and return to the beginning.*/
virtual void stop(void) = 0;
/** Move the current playback position to the specified time in
* milliseconds, if the track is seekable. Some streams may not be
* seeked.
*/
virtual void seek(unsigned long msec) = 0;
public:
/** Returns whether the current track honors seek requests.*/
virtual bool isSeekable(void) const = 0;
/** Returns the current playback position in the track.*/
virtual unsigned long position(void) const = 0;
/** Returns whether the current track has a length. Some streams are
* endless, and do not have one. */
virtual bool hasLength(void) const = 0;
/** Returns the length of the current track.*/
virtual unsigned long length(void) const = 0;
public slots:
/** Set whether the Player should continue playing at the beginning of
* the track when the end of the track is reached.
*/
void setLooping(bool);
public:
/** Return the current looping state. */
bool isLooping(void) const;
signals:
/** Emitted when the looping state is changed. */
void loopingChanged(bool);
public:
/** The possible states of the Player */
enum State
{
/** No track is loaded. */
Empty,
/** Not playing. */
Stop,
/** Playing is temporarily suspended. */
Pause,
/** The media is currently being output. */
Play
};
/** Return the current state of the player. */
int state(void) const;
signals:
/** Emitted when the state changes. */
void stateChanged(int);
protected slots:
/** Implementers use this to control what users see as the current
* state.*/
void setState(int);
private:
bool currentLooping;
State currentState;
struct Data;
Data *d;
};
}
#endif
|
